Experts now suggest our voices may not be reliable for security systems

Barclays, the UK bank, is to replace the password system on its phone banking service with personal voice recognition. 'Unlike a password, each person's voice is as unique as a fingerprint,' said Steven Cooper, Barclays' head of personal banking. Yet the reality is we have no idea whether either fingerprints or voices are unique at all. 'Unlike a password, each person's voice is as unique as a fingerprint,' said Steven Cooper, Barclays' head of personal banking. Yet the reality is we have no idea whether either fingerprints or voices are unique at all.